Fundamentally, the way amputation is done hasn't changed since the Civil War era. But these scientists are trying to change that: | NOVA l PBS

Here's how psychedelics can turn your brain into a shaken snow globe (as one analogy explains it): | NOVA l PBS

You know those couples that do everything together? Lovebugs, also known as honeymoon flies, can spend anywhere from a half-hour to a couple of days attached to each other. As the female drags or carries the male from flower to flower, piggyback style, they pollinate cherries, apples and pears. | Deep Look • PBS

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'Black Hole Apocalypse' Premieres on PBS Tonight

Birth of a Black Hole — NOVA | PBS